Erbijsommen t/m 1.000
Optellen
| 1. | 293 + 136 = |
337
|
429
|
289
|
210
|
| 2. | 234 + 164 = |
467
|
252
|
414
|
398
|
| 3. | 424 + 121 = |
545
|
646
|
962
|
852
|
| 4. | 387 + 260 = |
876
|
524
|
901
|
647
|
| 5. | 317 + 209 = |
638
|
866
|
526
|
850
|
| 6. | 335 + 271 = |
551
|
572
|
650
|
606
|
| 7. | 405 + 290 = |
590
|
695
|
926
|
519
|
| 8. | 309 + 106 = |
435
|
287
|
284
|
415
|
| 9. | 235 + 176 = |
307
|
411
|
439
|
372
|
| 10. | 250 + 131 = |
473
|
207
|
381
|
236
|
| 11. | 450 + 351 = |
801
|
889
|
972
|
920
|
| 12. | 341 + 280 = |
657
|
709
|
621
|
970
|